同根派生 Paleocene epoch相關(guān)詞英漢例句Paleontological studies showed that modern avian groups probably first appeared in the Paleocene and experienced an explosive radiation in the early Cenozoic.古生物學(xué)研究表明，現(xiàn)生鳥類的最早出現(xiàn)是在古新世，而爆發(fā)性輻射縯化發(fā)生在新生代早期。Paleocene epoch更多例句